| Acronym | Definition |
|---|
| NRN | Nation's Restaurant News |
| NRN | National Radio Network (various locations) |
| NRN | No Response Necessary |
| NRN | Netware Remote Node |
| NRN | National Research Network |
| NRN | No Reply Necessary |
| NRN | Non Resident Nepali Association |
| NRN | National Research Networks |
| NRN | Not Right Now |
| NRN | Next Random Number |
| NRN | New Republic Navy (gaming) |
| NRN | Network Routing Number (AT&T) |
| NRN | NASCAR (National Association for Stock Car Auto Racing) Racing News (now NASCAR Network) |
| NRN | Nouvelle Revue Neuchâteloise (French) |
| NRN | NIMA (National Imagery and Mapping Agency) Reference Number (USGS) |
| NRN | Network Resource Negotiator |
| NRN | No Response Necessary/Needed |
| NRN | Non-Resonating Node |